Oh my god, so many negative reviews! I'm afraid that someone was talking nonsense. I just want to say something true about my purchase experience. I bought a doorphone from Espow a few days ago. About $170, one displayer with one camera. With high-sensitive touch panel which is fashionable. I installed it on my wall outside and inside. Have used for half a month. I think it is good thing for our country houses. I can see the visitors clearly through the doorbell before I open the door. And also it can save many pictures of visitors who came. I paid the money for the worthy products.